The Spanish Cow (The Saint TV Series)

Plot
On the French Riviera, the Saint rescues Dona Luisa Arroya and her young companion, Consuela from 2 robbers. Dona Luisa and her brother-in-law tell Simon they're part of a once-influential family, who now live in exile, from their home of Santa Cruz. They've come to sell her jewelry to raise money for a return to power. So much is made of the jewels that Templar's suspicious why they want to involve him in their scheme.

Origin
This episode was adapted from the short story of the same name from the 1953 book The Saint in Europe.